01104-6727 GKI   3

 
 
01h 10m 22.89s -67 26' 41.8" P.A. 161 sep 0.1 mag 9.80,10.30 Sp M2.5V+M3V dist. 8.19 pc (26.72 l.y.)
 
 
Coord 2000
01104-6727
Discov num
GKI   3
Comp
Coord arcsec 2000
01 10 22.89 -67 26 41.8
Date first
1998
Date last
2017
Obs
21
Pa first
285
Pa last
161
P.A. Now (θ)
161°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.80
Mag sec
10.30
delta mag (ΔM)
0.5
Spectral class
M2.5V+M3V (red/red)
Pri motion ra
+389
Sec motion ra
Pri motion dec
+572
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
160.6
Precise sep
0.083
Constellation
Tucana
HIP
5496
Tycho2
8855-00238-1
GL
Gl 54
CD
CD-68 47
CP
CP-68 41
Distance
8.19
Distance ly
26.72
last precise pa
160.6
last precise sep
0.083
 
 
ORBITAL ELEMENTS
 
 
Period (P)418.5d± 0.2 Periastron (T)53944.6d (2006.571y)± 1.6 Semi-major axis (a)0.1264a± 0.0007
Eccentricity (e)0.174± 0.004 Inclination (i)126.6°± 0.4 Longitude of periastron (ω)46.8°± 1.4
Node (Ω)92.2°± 0.5 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000-01-01 0.128 283.6
2001-01-01 0.078 325.6
2002-01-01 0.081 54.5
2003-01-01 0.111 98.7
2004-01-01 0.092 138.9
2005-01-01 0.087 197.5
2006-01-01 0.120 239.4
2007-01-01 0.141 263.9
2008-01-01 0.122 287.5
2009-01-01 0.072 336.6
2010-01-01 0.087 63.2
2011-01-01 0.110 103.7
2012-01-01 0.089 146.3
2013-01-01 0.091 205.2
2014-01-01 0.125 243.5
2015-01-01 0.141 267.0
2016-01-01 0.116 291.8
2017-01-01 0.067 349.4
2018-01-01 0.094 70.6
2019-01-01 0.109 108.7
2020-01-01 0.086 154.3
2021-01-01 0.095 212.3
2022-01-01 0.129 247.3
2023-01-01 0.140 270.0
2024-01-01 0.109 296.6
2025-01-01 0.065 3.6
2026-01-01 0.100 77.1
2027-01-01 0.107 114.0
2028-01-01 0.084 162.7
2029-01-01 0.100 218.7
2030-01-01 0.132 250.9

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds01104-6727e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01104-6727 GKI 3 2003 3 283 0.1 9.80 10.30 M2 D 011022.89-672641.8
01104-6727 GKI 3 2015 8 261 0.1 9.80 10.30 M2.5V+M3V O 011022.89-672641.8
01104-6727 GKI 3 2017 21 161 0.1 9.80 10.30 M2.5V+M3V O 011022.89-672641.8

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